Erik Kusch, PhD Student
Department of Biology
Section for Ecoinformatics & Biodiversity
Center for Biodiversity Dynamics in a Changing World (BIOCHANGE)
Aarhus University
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 1
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 2
For k categories, we need k-1
indicator variables!
The Problem: picking priors for each
indicator variables!
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 3
For k categories, we only need one index variable!
Lets us assign the same prior to each
category!
29/04/202111/12/2020
For k categories, we only need one
index variable!
Lets us assign the same prior to each
category!
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 5
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 6
X is independent of Y conditional of Z
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 7
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 8
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 9
Conditioning on a node, blocks nodes on the same path further away from the
outcome!
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 10
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 11
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 12
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 13
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 14
Causation follows the directionality of the arrows. Information/Correlation can flow in any direction.
29/01/2021
[Study Group] Bayesian Statistics with the Rethinking Material 15